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Finding the Fourth Proportional to 166,579.60, 249,901.80 and 48,254.80

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Solution

The fourth proportional to 166,579.60, 249,901.80 and 48,254.80 is: 72,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,579.60 : 249,901.80 = 48,254.80 : x
  2. Step 2: Convert to fraction form
    166,579.60/249,901.80 = 48,254.80/x
  3. Step 3: Cross multiply
    166,579.60x = 249,901.80 × 48,254.80
  4. Step 4: Simplify right side
    166,579.60x = 12,058,961,378.64
  5. Step 5: Solve for x
    x = 12,058,961,378.64/166,579.60
  6. Step 6: Final answer
    x = 72,391.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.